Copper nut automatic detection device

The utility model discloses an automatic detection device for a copper nut. The utility model relates to the technical field of nut detection. The problem of detecting inner diameter threads of coppernuts of different specifications is solved. Proposed now is the following scheme, frame body, the right side of the frame body is fixedly connected with a motor; a first rotating shaft is mounted atthe output end of the motor; the first rotating shaft is connected with a driving belt pulley through a bolt; a first driving bevel gear is installed at the left end of the first rotating shaft, a first driven bevel gear is arranged on the left side of the first driving bevel gear, the first driving bevel gear and the first driven bevel gear are in meshing transmission, a second rotating shaft isfixedly connected to the first driven bevel gear, and the top end of the second rotating shaft is connected with a shell through a bolt. According to the utility model, through the combination of various structures, the device